Memorable World Moments of 2012

Bomber Special Agent?

A would-be bomber of a U.S.-bound airliner in May turned out to be a Saudi man who infiltrated al-Qaida in Yemen’s ranks. NPR’s Gina Temple Raston and security consultant Philip Mudd discuss the case and other counterterrorism efforts. Pictured here are Yemeni soldiers at a base in the southern town of Loder.